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Nickbuon1
Level I

Pooled within-groups correlation matrix

i am trying to locate where in JMP is the 'Pooled within-groups correlation matrix.'

I have looked at Multivariate and Discriminant  analysis. I can see the correlations and the correlation probability output. But i am looking for the 'pooled' within group correlation. 

 

Anywhere i can go in JMP?

 

Nick

 

 

5 REPLIES 5

Re: Pooled within-groups correlation matrix

I do not recognize this term.

Nickbuon1
Level I

Re: Pooled within-groups correlation matrix

here you go. I have attached some screen shots and my JMP data. 

 

most of the JMP data does not really match up well. Some do or come close. 

 

 

Re: Pooled within-groups correlation matrix

I am afraid that the example of the results still does not explain to me what the pooled correlation matrix represents or how it is estimated. I am not an expert in MANOVA, so perhaps another community member with such expertise can help.

statman
Super User

Re: Pooled within-groups correlation matrix

Unfortunately, I'm with Mark.  I don't understand what you want or why you want it.

"All models are wrong, some are useful" G.E.P. Box

Re: Pooled within-groups correlation matrix

Actually, you had the result that you wanted. Use Analyze > Multivariate > Discriminant. Enter the 5 covariates as Y and the visit as X. The linear discriminant function will provide a table if you click the red triangle at the top and select Show Within Covariances. You get the table that was shown in your Word document.

 

corr.PNG

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